FDW2512NZ Rev. A

www.fairchildsemi.com

9

SABER Electrical Model

REV July 2004

template fdw2512nz n2,n1,n3

electrical n2,n1,n3

{

var i iscl

dp..model dbodymod = (isl = 7.3e-12, nl=0.93, rs = 20.6e-3, trs1 = 1.7e-3, trs2 = 2e-6, xti=0.2, cjo = 2.0e-10, ikf=0.2, tt = 1.05e-8,

m = 0.58, tikf=0.001)

dp..model dbreakmod = (rs = 1e-1, trs1 = 9e-3, trs2 = -2.0e-5)

dp..model dplcapmod = (cjo = 0.37e-9, isl=10e-30, nl=10, m=0.51)

dp..model desd1mod = (bv=14, rs=1)

dp..model desd2mod = (bv=14, nl=1.3, rs=1)

m..model mmedmod = (type=_n, vto = 0.96, kp=1.98, is=1e-30, tox=1)

m..model mstrongmod = (type=_n, vto = 1.2, kp = 72, is = 1e-30, tox = 1)

m..model mweakmod = (type=_n, vto = 0.72, kp = 0.02, is = 1e-30, tox = 1, rs=0.1)

sw_vcsp..model s1amod = (ron = 1e-5, roff = 0.1, von = -5, voff = -1.5)

sw_vcsp..model s1bmod = (ron = 1e-5, roff = 0.1, von = -1.5, voff = -5 )

sw_vcsp..model s2amod = (ron = 1e-5, roff = 0.1, von = -0.4, voff = 0.4)

sw_vcsp..model s2bmod = (ron = 1e-5, roff = 0.1, von = 0.4, voff = -0.4)

c.ca n12 n8 = 8.8e-10

c.cb n15 n14 = 8.8e-10

c.cin n6 n8 = 0.5e-9

dp.dbody n7 n5 = model=dbodymod

dp.dbreak n5 n11 = model=dbreakmod

dp.dplcap n10 n5 = model=dplcapmod

dp.desd1 n91 n9 = model=desd1mod

dp.desd2 n91 n7 = model=desd2mod

spe.ebreak n11 n7 n17 n18 = 22.2

spe.eds n14 n8 n5 n8 = 1

spe.egs n13 n8 n6 n8 = 1

spe.esg n6 n10 n6 n8 = 1

spe.evtemp n20 n6 n18 n22 = 1

spe.evthres n6 n21 n19 n8 = 1

i.it n8 n17 = 1

l.ldrain n2 n5 = 1e-9

l.lgate n1 n9 = 1.49e-9

l.lsource n3 n7 = 0.2e-9

res.rldrain n2 n5 = 10

res.rlgate n1 n9 = 14.9

res.rlsource n3 n7 = 2.0

m.mmed n16 n6 n8 n8 = model=mmedmod, l=1u, w=1u

m.mstrong n16 n6 n8 n8 = model=mstrongmod, l=1u, w=1u

m.mweak n16 n21 n8 n8 = model=mweakmod, l=1u, w=1u

res.rbreak n17 n18 = 1, tc1 = 6e-4, tc2 = -5e-7

res.rdrain n50 n16 = 13.1e-3, tc1 = 6e-4, tc2 = 1.2e-5

res.rgate n9 n20 = 5.57

res.rslc1 n5 n51= 1e-6, tc1 = 1e-9, tc2 =1e-8

res.rslc2 n5 n50 = 1e3

res.rsource n8 n7 = 2e-4, tc1 = 8.2e-2, tc2 =1e-6

res.rvtemp n18 n19 = 1, tc1 = -1.0e-3, tc2 = 1e-6

res.rvthres n22 n8 = 1, tc1 = -13e-4, tc2 = -2.5e-6

sw_vcsp.s1a n6 n12 n13 n8 = model=s1amod

sw_vcsp.s1b n13 n12 n13 n8 = model=s1bmod

sw_vcsp.s2a n6 n15 n14 n13 = model=s2amod

sw_vcsp.s2b n13 n15 n14 n13 = model=s2bmod

v.vbat n22 n19 = dc=1

equations {

i (n51->n50) +=iscl

iscl: v(n51,n50) = ((v(n5,n51)/(1e-9+abs(v(n5,n51))))*((abs(v(n5,n51)*1e6/120))** 2.5))

}

}

18

22

+

-

6

8

+

-

19

8

+

-

17

18

6

8

+

-

5

8

+

-

RBREAK

RVTEMP

VBAT

RVTHRES

IT

17

18

19

22

12

13

15

S1A

S1B

S2A

S2B

CA

CB

EGS

EDS

14

8

13

8

14

13

MWEAK

EBREAK

DBODY

RSOURCE

SOURCE

11

7

3

LSOURCE

RLSOURCE

CIN

RDRAIN

EVTHRES

16

21

8

MMED

MSTRO

DRAIN

2

LDRAIN

RLDRAIN

DBREAK

DPLCAP

ISCL

RSLC1

10

5

51

50

RSLC2

1

GATE

RGATE

EVTEMP

9

ESG

LGATE

RLGATE

20

+

-

+

-

+

-

6

DESD1

DESD2

91